Allen-Bradley 20-HIM-C3S Human Interface Modules
The Allen-Bradley 20-HIM-C3S, also cataloged as the 20-HIM-C3S Human Interface Module, operates as a dedicated hardware component for drive parameter configuration and real-time operational monitoring within PowerFlex 700 platforms.
Hardware Specifications
| Parameter | Specification |
|---|---|
| Model | 20-HIM-C3S |
| Brand | Allen-Bradley |
| Origin | USA |
| Weight | 1.00 lbs (0.45 kg) |
| Dimensions | Standard PowerFlex remote panel-mount footprint |
| Operating Temp | -10 deg C to 50 deg C |
| Power Consumption | 12 VDC via host drive backplane, 140 mA |
| Keypad Type | Full numeric keypad |
| Display Type | LCD display |
| Interface Protocol | Drive Peripheral Interface (DPI) |
| Data Transfer Rates | 125 Kbps or 500 Kbps |
| Ingress Protection | IP66 / NEMA 4X / NEMA 12 |
| Mounting Style | Remote panel mount |
| Storage Temp | -40 deg C to 85 deg C |
| Vibration Limits | 5 G @ 5 Hz to 2 kHz (Non-Op) |
Deterministic Network Backplane and Interface Performance
Operating across the Drive Peripheral Interface (DPI) protocol, the module maintains deterministic serial data transfers at rates up to 500 Kbps. Physical channel isolation prevents ground loops and high-frequency inverter noise on the host drive backplane from propagating into the operator keypad logic. High-speed packet synchronization ensures real-time updating of drive status registers, fault diagnostics, and speed reference changes without introducing processing delay to the main drive control loop.
Frequently Asked Questions
Q: What data transfer speeds are supported over the DPI connection?
A: The DPI interface automatically negotiates communication rates at either 125 Kbps or 500 Kbps depending on the host drive backplane configuration.
Q: Can the 20-HIM-C3S be installed on an enclosure door in outdoor or washdown environments?
A: Yes, when mounted with its proper bezel gasket assembly, the module maintains IP66 and NEMA 4X/12 ratings against dust ingress, oil, and direct water jets.
Q: How is primary operating power delivered to the human interface module?
A: The module draws its operating current of 140 mA @ 12 VDC directly from the host PowerFlex drive backplane via the DPI cable interface.
Field Installation Guidelines
Prepare a clean, burr-free enclosure cutout and secure the remote mounting bezel using the provided hardware. Ensure the synthetic sealing gasket is fully compressed against the door plate to maintain its IP66 / NEMA 4X enclosure rating. Route the DPI communication cable through a dedicated low-voltage wire tray, keeping a minimum clearance of 100 mm from high-voltage AC input lines and motor power leads to avoid electromagnetic interference. Connect the panel earth grounding strap directly to the enclosure frame ground bar.
Allen-Bradley 20-HIM-C3S Human Interface Modules
Allen-Bradley 20-HIM-C3S Human Interface Modules
The Allen-Bradley 20-HIM-C3S, also cataloged as the 20-HIM-C3S Human Interface Module, operates as a dedicated hardware component for drive parameter configuration and real-time operational monitoring within PowerFlex 700 platforms.
Hardware Specifications
| Parameter | Specification |
|---|---|
| Model | 20-HIM-C3S |
| Brand | Allen-Bradley |
| Origin | USA |
| Weight | 1.00 lbs (0.45 kg) |
| Dimensions | Standard PowerFlex remote panel-mount footprint |
| Operating Temp | -10 deg C to 50 deg C |
| Power Consumption | 12 VDC via host drive backplane, 140 mA |
| Keypad Type | Full numeric keypad |
| Display Type | LCD display |
| Interface Protocol | Drive Peripheral Interface (DPI) |
| Data Transfer Rates | 125 Kbps or 500 Kbps |
| Ingress Protection | IP66 / NEMA 4X / NEMA 12 |
| Mounting Style | Remote panel mount |
| Storage Temp | -40 deg C to 85 deg C |
| Vibration Limits | 5 G @ 5 Hz to 2 kHz (Non-Op) |
Deterministic Network Backplane and Interface Performance
Operating across the Drive Peripheral Interface (DPI) protocol, the module maintains deterministic serial data transfers at rates up to 500 Kbps. Physical channel isolation prevents ground loops and high-frequency inverter noise on the host drive backplane from propagating into the operator keypad logic. High-speed packet synchronization ensures real-time updating of drive status registers, fault diagnostics, and speed reference changes without introducing processing delay to the main drive control loop.
Frequently Asked Questions
Q: What data transfer speeds are supported over the DPI connection?
A: The DPI interface automatically negotiates communication rates at either 125 Kbps or 500 Kbps depending on the host drive backplane configuration.
Q: Can the 20-HIM-C3S be installed on an enclosure door in outdoor or washdown environments?
A: Yes, when mounted with its proper bezel gasket assembly, the module maintains IP66 and NEMA 4X/12 ratings against dust ingress, oil, and direct water jets.
Q: How is primary operating power delivered to the human interface module?
A: The module draws its operating current of 140 mA @ 12 VDC directly from the host PowerFlex drive backplane via the DPI cable interface.
Field Installation Guidelines
Prepare a clean, burr-free enclosure cutout and secure the remote mounting bezel using the provided hardware. Ensure the synthetic sealing gasket is fully compressed against the door plate to maintain its IP66 / NEMA 4X enclosure rating. Route the DPI communication cable through a dedicated low-voltage wire tray, keeping a minimum clearance of 100 mm from high-voltage AC input lines and motor power leads to avoid electromagnetic interference. Connect the panel earth grounding strap directly to the enclosure frame ground bar.
